Storage bag



FIG. 1 is a perspective view from the front, top, and left side of the storage bag the new ornamental design;

FIG. 2 is a rear perspective view from the rear, top, and left side of the storage bag of FIG. 1 ;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view.

All broken lines in the Figures represent portions of the storage bag that form no part of the claimed design. 

CLAIM The ornamental design for a storage bag, as shown and described. 